/Engine/Source/Runtime/Core/Public/Misc/MapErrors.h
{Actor} (LOD {Index}) has hand-painted vertex colors that no longer match the original StaticMesh {StaticMesh}: It looks like the original mesh was changed since this instance's vertex colors were painted down - this may need a refresh.
static [FLazyName](API\Runtime\Core\UObject\FLazyName) VertexColorsNotMatchOriginalMesh;